2-hydroxy-5-amino-biphenyl-derivatives and oxidative hair colouring agents containing said compounds
申请人:——
公开号:US20020166180A1
公开(公告)日:2002-11-14
The invention relates to an oxidative coloring agent for keratin fibers, in particular hair based on a developing agent-coupling agent combination, which contains as a developing agent at least one 2-hydroxy-5-amino-biphenyl derivative of general formula (I) in addition to novel 2-hydroxy-5-amino-biphenyl derivatives.